[fix] [broker] rename to changeMaxReadPositionCount

[thetumbled]

Motivation

Though changeMaxReadPositionAndAddAbortTimes is described as: increment when change the max read position or add a abort txn.
In inplementation, we only increment it when change the max read position.

Modifications

Rename changeMaxReadPositionAndAddAbortTimes to changeMaxReadPositionTimes.

Verifying this change

• Make sure that the change passes the CI checks.

(Please pick either of the following options)

This change is a trivial rework / code cleanup without any test coverage.

Does this pull request potentially affect one of the following parts:

If the box was checked, please highlight the changes

• Dependencies (add or upgrade a dependency)
• The public API
• The schema
• The default values of configurations
• The threading model
• The binary protocol
• The REST endpoints
• The admin CLI options
• The metrics
• Anything that affects deployment

Documentation

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@thetumbled Please add the following content to your PR description and select a checkbox:

- [ ] `doc` <!-- Your PR contains doc changes -->
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[thetumbled]

PTAL, thanks. @lhotari @congbobo184 @liangyepianzhou @poorbarcode

[lhotari]

LGTM

[thetumbled]

/pulsarbot rerun-failure-checks

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.12%. Comparing base (bbc6224) to head (3e2e3a4).
Report is 240 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #22656      +/-   ##
============================================
- Coverage     73.57%   73.12%   -0.45%     
+ Complexity    32624     2401   -30223     
============================================
  Files          1877     1887      +10     
  Lines        139502   141068    +1566     
  Branches      15299    15482     +183     
============================================
+ Hits         102638   103163     +525     
- Misses        28908    29925    +1017     
- Partials       7956     7980      +24     

Flag	Coverage Δ
inttests	27.33% <71.42%> (+2.74%)	⬆️
systests	24.61% <0.00%> (+0.28%)	⬆️
unittests	72.15% <100.00%> (-0.70%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...ransaction/buffer/impl/TopicTransactionBuffer.java	88.16% <100.00%> (+0.41%)	⬆️

... and 337 files with indirect coverage changes